From: Jim Meyering <meyering@redhat.com>
Date: Mon, 3 Aug 2009 12:43:54 +0000 (-0400)
Subject: guestfs: don't fault upon failed vasprintf
X-Git-Tag: 1.0.66~40
X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=commitdiff_plain;h=d0fa2e6b7bccb00dbaae09a4d4c1a87b1dea0351;hp=6279c4bbf9cbbe66917ce9ffa4b98eca9040bcd9

guestfs: don't fault upon failed vasprintf

* src/guestfs.c (guestfs_perrorf): Handle failed vasprintf.
---

diff --git a/src/guestfs.c b/src/guestfs.c
index 63e24f0..802c1d2 100644
--- a/src/guestfs.c
+++ b/src/guestfs.c
@@ -443,9 +443,11 @@ guestfs_perrorf (guestfs_h *g, const char *fs, ...)
   int err = errno;
 
   va_start (args, fs);
-  vasprintf (&msg, fs, args);
+  int err = vasprintf (&msg, fs, args);
   va_end (args);
 
+  if (err < 0) return;
+
 #ifndef _GNU_SOURCE
   char buf[256];
   strerror_r (err, buf, sizeof buf);